Bertrand mate of null biharmonic curves in the Lorentzian Heisenberg group Heis.

Abstract

In this paper, we study null biharmonic curves and we characterize null biharmonic curves in terms of their curvature and torsion in the Lorentzian Heisenberg group Heis3. Moreover, we construct parametric equations of Bertrand mate of null biharmonic curves and null biharmonic in the Lorentzian Heisenberg group Heis3.